diff --git a/src/formatitko/html_generator.py b/src/formatitko/html_generator.py
index 28f49de..4089a69 100644
--- a/src/formatitko/html_generator.py
+++ b/src/formatitko/html_generator.py
@@ -328,7 +328,7 @@ class StandaloneHTMLGenerator(HTMLGenerator):
 		self.indent_more()
 		self.writeln(self.single_tag("meta", attributes={"charset": "utf-8"}))
 		self.writeln(self.single_tag("meta", attributes={"viewport": "width=device-width, initial-scale=1.0"}))
-		self.writeln(self.single_tag("link", attributes={"href": "https://cdn.jsdelivr.net/npm/katex@0.16.4/dist/katex.min.css", "integrity":"sha384-vKruj+a13U8yHIkAyGgK1J3ArTLzrFGBbBc0tDp4ad/EyewESeXE/Iv67Aj8gKZ0", "crossorigin":"anonymous"}))
+		self.writeln(self.single_tag("link", attributes={"rel": "stylesheet", "href": "https://cdn.jsdelivr.net/npm/katex@0.16.4/dist/katex.min.css", "integrity":"sha384-vKruj+a13U8yHIkAyGgK1J3ArTLzrFGBbBc0tDp4ad/EyewESeXE/Iv67Aj8gKZ0", "crossorigin":"anonymous"}))
 		if "title" in e.metadata:
 			self.write(self.start_tag("title"))
 			self.generate(e.metadata["title"])
diff --git a/src/formatitko/nop_processor.py b/src/formatitko/nop_processor.py
index f20ff1b..8218b2e 100644
--- a/src/formatitko/nop_processor.py
+++ b/src/formatitko/nop_processor.py
@@ -111,10 +111,12 @@ class NOPProcessor:
 				e = transformer(e)
 
 			try:
-				e = self.TYPE_DICT[type(e)](e)
+				method = self.TYPE_DICT[type(e)]
 			except KeyError:
 				raise self.UnknownElementError(type(e))
 
+			e = method(e)
+
 			for transformer in self.get_posttransformers():
 				e = transformer(e)
 
diff --git a/src/formatitko/output_generator.py b/src/formatitko/output_generator.py
index 71dbebf..f2e0853 100644
--- a/src/formatitko/output_generator.py
+++ b/src/formatitko/output_generator.py
@@ -157,9 +157,10 @@ class OutputGenerator:
 				self.generate_MetaList(e)
 			else:
 				try:
-					self.TYPE_DICT_MISC[type(e)](e)
+					method = self.TYPE_DICT_MISC[type(e)]
 				except KeyError as err:
 					raise UnknownElementError(type(e)) from err
+				method(e)
 			if isinstance(e, Group):
 				self.context = old_context
 		except FormatitkoRecursiveError as err:
@@ -292,9 +293,10 @@ class OutputGenerator:
 
 	def generate_MetaValue(self, e: MetaValue):
 		try:
-			self.TYPE_DICT_META[type(e)](e)
+			method = self.TYPE_DICT_META[type(e)]
 		except KeyError:
 			self.generate(e.content)
+		method(e)
 
 	def generate_MetaBlocks(self, e: MetaBlocks):
 		self.generate(e.content)
@@ -303,16 +305,23 @@ class OutputGenerator:
 		self.generate(e.content)
 
 	def generate_MetaBool(self, e: MetaBool):
-		self.generate_simple_tag(e)
+		if e.boolean:
+			self.write("True")
+		else:
+			self.write("False")
 
 	def generate_MetaMap(self, e: MetaMap):
 		self.generate_simple_tag(e)
 
 	def generate_MetaString(self, e: MetaString):
-		self.generate_simple_tag(e)
+		self.write(e.text)
 
 	def generate_Inline(self, e: Inline):
-		self.TYPE_DICT_INLINE[type(e)](e)
+		try:
+			method = self.TYPE_DICT_INLINE[type(e)]
+		except KeyError as err:
+			raise UnknownElementError(type(e)) from err
+		method(e)
 
 	def generate_Str(self, e: Str):
 		self.write(self.escape_special_chars(e.text))
@@ -413,7 +422,11 @@ class OutputGenerator:
 
 
 	def generate_Block(self, e: Block):
-		self.TYPE_DICT_BLOCK[type(e)](e)
+		try:
+			method = self.TYPE_DICT_BLOCK[type(e)]
+		except KeyError as err:
+			raise UnknownElementError(type(e)) from err
+		method(e)
 
 
 	# Block elements